حسن طلب, محمد حسن

[ 1 ] - ارزیابی کیفیت تصویر و دز دریافتی بیماران در ماموگرافی فیلم اسکرین و ماموگرافی کامپیوتری‌شده در ایران

In this study, a quantitative parameter is introduced that evaluate three important features of a mammography exam ,contrast, spatial resolution and patient dose. Two kinds of regular mammography system used in screening mammography were evaluated in automatic exposure control mode (AEC) by this parameter. To evaluate the contrast and detail of the mammography images, the contrast-detail phanto...